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| 39: | 3 | 13 | |
| 21: | 3 | 7 | |
| GCF: | 3 |
The Greates Common Factor (GCF) is: 3
| Greatest Common Factor (GCF) of 128 and 32 | | Greatest Common Factor (GCF) of 226 and 352 | | Greatest Common Factor (GCF) of 168 and 48 | | Greatest Common Factor (GCF) of 825 and 2520 | | Greatest Common Factor (GCF) of 125 and 180 | | Greatest Common Factor (GCF) of 40 and 9 | | Greatest Common Factor (GCF) of 400 and 90 | | Greatest Common Factor (GCF) of 8 and 332 | | Greatest Common Factor (GCF) of 1234 and 44 | | Greatest Common Factor (GCF) of 560 and 224 | | Greatest Common Factor (GCF) of 400 and 320 | | Greatest Common Factor (GCF) of 49 and 5 | | Greatest Common Factor (GCF) of 28 and 624 | | Greatest Common Factor (GCF) of 480 and 44 | | Greatest Common Factor (GCF) of 273 and 3 | | Greatest Common Factor (GCF) of 25 and 273 | | Greatest Common Factor (GCF) of 60 and 34 | | Greatest Common Factor (GCF) of 26 and 99 | | Greatest Common Factor (GCF) of 34 and 137 | | Greatest Common Factor (GCF) of 318 and 1443 | | Greatest Common Factor (GCF) of 3000 and 30616 | | Greatest Common Factor (GCF) of 70 and 79 | | Greatest Common Factor (GCF) of 94 and 98 | | Greatest Common Factor (GCF) of 18 and 105 | | Greatest Common Factor (GCF) of 143 and 323 | | Greatest Common Factor (GCF) of 70 and 195 | | Greatest Common Factor (GCF) of 68 and 118 | | Greatest Common Factor (GCF) of 57 and 96 | | Greatest Common Factor (GCF) of 4 and 50 | | Greatest Common Factor (GCF) of 216 and 234 | | Greatest Common Factor (GCF) of 210 and 217 | | Greatest Common Factor (GCF) of 360 and 144 |